AUTHORIZATION
 	I hereby authorize Leslie O. Mba, Elizabeth M. Bedell,
Edgar A. Morales, Erin E. Hilton and John Whitney or any one
of them to sign and file on my behalf any and all forms
required by the Securities and Exchange Commission pursuant
to Section 16 of the Securities Exchange Act of 1934 (the
?Exchange Act?) relating to the reporting of beneficial
ownership of equity securities of Texas Instruments
Incorporated (the ?Company?), and of changes in such
beneficial ownership, as well as any and all representation
letters that may be required in connection with sales by
me of equity securities of the Company, together with
any and all amendments to the foregoing.  This authorization
shall be effective on and after the date set forth below
and shall continue in effect, unless earlier revoked by
me in writing, until I am no longer required to file
such forms and letters provided, however, that this
authorization shall be deemed revoked with respect to
any individual named above upon such individual?s
termination of active service with the Company.
	I acknowledge that the persons authorized
hereunder are not assuming, nor is the Company assuming,
any of my responsibilities to comply with Section 16 of
the Exchange Act and other relevant securities laws.
	Dated as of 17 day of January 2023.
	/s/ Cynthia Hoff Trochu